Datalogic PowerScan PD8590-DPM User Manual page 100

Illumination Settings by ESP
Image Enhance Settings
Image Enhance settings apply morphological pre-processing (erosion and dilation) to
symbol cells to improve readability. Symbols that are under-marked or over-marked can
benefit from Image Enhance settings. The Grow Dark and Grow Light checkboxes allow
you to determine which cells will be enhanced (grown).
Red Dome Illumination
Without Image Enhance
Grow Dark
Grow Dark enhances the symbol's dark cells.
Note: Grow Dark corresponds with the morphological process of erosion.
Grow Light
Grow Light enhances the symbol's light cells.
Note: Grow Light corresponds with the morphological process of dilation.
8-4
Red Dome Illumination With
Image Enhance – Grow Dark
(Medium Mark Size)
Click Grow Dark or Grow
Light on the Illumination tab
in I/O Parameters to improve
decode performance on
under-marked or over-marked
direct part marks.
POWERSCAN D8590 User's Manual